One of the key advantages of Java is its IDE support, especially large project refactoring and completion. Many of these features are impossible in a dynamically typed language. And not to forget that in a large project you find many errors upfront. So yes, Ruby is more terse but I think in Eclipse or other modern IDEs writing robust software is faster.

18.
On a business point of view
• Java is a well-known technology
• Lots of developments have been made with it
• Easy to ﬁnd experts
• Still not that much available Ruby developers
• Opensource fear
Java vs Ruby : a quick and unfair comparison - Jean-Baptiste Escoyez
Thursday 19 February 2009 16

20.
Conclusion
• Languages wars do not make sens
• Ruby is great for its terseness, readability and ﬂexibility
• Java is great for its performances
• JRuby makes them talk together
• Ruby + Java is a great combo
Java vs Ruby : a quick and unfair comparison - Jean-Baptiste Escoyez
Thursday 19 February 2009 18